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Oxidation or dirt on hood?

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  • Oxidation or dirt on hood?

    I offered to detail a friend's '91 Honda Accord because I need the practice, being a newbie. The car's finish is badly neglected, but, armed with M80, a DA, and a cheap rotary, I thought I could tackle it. I washed the car first, admittedly thru a swirl tunnel.
    The hood looked like this:


    The roof and deck lid are similar.
    I first thought it was oxidation. The paint finish is kind of mottled in some areas of the horizontal panels. I clayed the car, used M80 and a DA, small areas at a time as I learned from this forum, then wiped down with QD. When the QD dried, the mottled areas came back. I wiped it again, it looked good for a few seconds, then the mottled areas came back. My yellow 8006 pad had some black on it after polishing, so I figured it wasn't oxidation, maybe it's some kind of dirt or substance. On the roof, which has similar areas of 'mottleness', I sprayed alcohol window cleaner and wiped it with an MF. It looked good, smooth and shiny, then the 'mottleness' came back, albeit a little less. I sprayed a cleaner on it, like a 409 type, and wiped with a MF. It helped some, but is there some way I can clean that off before I polish with the M80? The substance, whatever it is, seems a little gummy, it sort of spreads or moves a bit when I wipe it with QD. I don't want to spread it around, or gum up my 8006 pad. The M80 with the DA doesn't take it off. Now that I'm typing this, I remember that car is always parked under trees. Maybe it's sap?
    Any suggestions?
    Heatgain (Gary)
    The Irate Magistrate
    Neutral & Detached

  • #2
    Re: Oxidation or dirt on hood?

    Is it single stage or BC/CC? Have you tried claying it yet? I'm guessing clay won't do much for it, but it might be worth a try if you have some hanging around.
    Lydia's Mobile Detailing
    Professional Detailing since 2007

    1997 Dodge Dakota SLT V8 - Green
    2007 Honda ST1300 - Silver

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    • #3
      Re: Oxidation or dirt on hood?

      It's clear coat.
      I clayed it right after the wash. Used QD and clayed gently. The clay glided nicely.
      If it is sap, or a similar substance, what can I use to get it off that won't harm the clear coat?
      Last edited by Heatgain; Jan 27, 2008, 08:48 PM. Reason: Add a question
      Heatgain (Gary)
      The Irate Magistrate
      Neutral & Detached

      Comment


      • #4
        Re: Oxidation or dirt on hood?

        Hey

        I hate to say it, but a couple of things you said were clues as to what is going on... it is clear coat failure or the clear coat has worn through to the base coat. The only fix is a repaint...sorry....

        Tim
        Tim Lingor's Product Reviews

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        • #5
          Re: Oxidation or dirt on hood?

          Originally posted by Heatgain View Post
          It's clear coat.
          I clayed it right after the wash. Used QD and clayed gently. The clay glided nicely.
          If it is sap, or a similar substance, what can I use to get it off that won't harm the clear coat?
          Bug & tar remover would help or body solvent and bug sponge ...
          Mineral spirts, takes sap off, but haven't seen what happens afterwards...
          Joe's detailing (Since 2002)
          ''We begin where the car wash Ends.''
          (269)650-2242

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          • #6
            Re: Oxidation or dirt on hood?

            Sounds to me like Tim is correct...everything points to clear coat failure.
            Lydia's Mobile Detailing
            Professional Detailing since 2007

            1997 Dodge Dakota SLT V8 - Green
            2007 Honda ST1300 - Silver

            Comment


            • #7
              Re: Oxidation or dirt on hood?

              Unfortunatley, thoughts of clear-coat failure come to mind.

              Do any of these seem similar?

              Clear Coat Failure Archive
              2017 Subaru WRX Premium - WR Blue

              Comment


              • #8
                Re: Oxidation or dirt on hood?

                Originally posted by 2hotford View Post
                Hey
                I hate to say it, but a couple of things you said were clues as to what is going on... it is clear coat failure or the clear coat has worn through to the base coat. The only fix is a repaint...sorry....
                Tim
                Ouch. I had that in the back of my mind, but I kept pushing it further back.
                I looked at the suggested link to clear coat failure, but it doesn't look like any of those.
                Heatgain (Gary)
                The Irate Magistrate
                Neutral & Detached

                Comment


                • #9
                  Re: Oxidation or dirt on hood?

                  Don't sweat it, learn from it.

                  You stated that the paint was badly neglected. inform your friend that when he buys another car, the importance of proper finish care to prevent this from happening again.

                  You also said the car is 17 years old, so paint in this condition is of no surprise, especially if you live in a climate where the sun beats down on the NEGLECTED paint day in and day out.

                  Have him join this forum so he can become informed on the importance of proper car care, and how to do it properly!

                  Good luck on your future endeavours!

                  Comment


                  • #10
                    Re: Oxidation or dirt on hood?

                    Originally posted by Executive Detailing View Post
                    Don't sweat it, learn from it.
                    You stated that the paint was badly neglected. inform your friend that when he buys another car, the importance of proper finish care to prevent this from happening again.
                    You also said the car is 17 years old, so paint in this condition is of no surprise, especially if you live in a climate where the sun beats down on the NEGLECTED paint day in and day out.
                    Have him join this forum so he can become informed on the importance of proper car care, and how to do it properly!
                    Good luck on your future endeavours!
                    Thanks All! The car came out fantastic looking despite the clearcoat failure, and my friend loved it anyway. I pointed out the clearcoat failure to him after I finished the car, and he said what Executive Detailing said.....Don't sweat it! The car's 17 years old! It never looked this good!
                    Heatgain (Gary)
                    The Irate Magistrate
                    Neutral & Detached

                    Comment

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